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Global O-Ring and Seal on Twitter: "Requesting for backup? We have backup rings readily available in NBR, Viton, and Teflon (Solid, Split, and Spiral versions). Use our Backup Ring Size Chart here
Backup Rings (BUR) – CTG, Inc.
Case Study: Benefits of a Contoured Back-Up Ring | Marco Rubber and Plastics
Back Up Ring : Superior Conta
PTFE Backup Rings
Piston Seal Installation - Endless Back-up Rings - YouTube
Size 112 Virgin PTFE Industrial Back-Up Ring Solid